list[::], tuple[::] - extended slices
python에서 list, tuple를 자를 때, 효과적인 방법 list[start index:end index+1:step] >>> list_int = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] # slice >>> list_int[:2] [0, 1] >>> list_int[0:2] [0, 1] >>> list_int[:5] [0, 1, 2, 3, 4] >>> list_int[2:5] [2, 3, 4] >>> list_int[::1] [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] # even >>> list_int[::2] [0, 2, 4, 6, 8] # odd >>> list_int[1::2] [1, 3, 5, 7, 9] >>> list_int[::3] [0, 3, 6, 9] #..
2020. 9. 2.